Sex differences in axial spondyloarthritis: data from a Portuguese spondyloarthritis cohort

Cunha RN; Vieira-Sousa E; Khmelinskii N; Ávila-Ribeiro P; Couto M; Seixas MI; Martins N; Bernardes M; Martins A; da Silva AB; Lourenço MH; Miguel C; Tavares V; Valente P; Costa J; Rovisco J; Aguiar R; Afreixo V; Barcelos A;